EP0843275A3 - Appareil et méthode d'extraction d'images - Google Patents

Appareil et méthode d'extraction d'images Download PDF

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Publication number
EP0843275A3
EP0843275A3 EP97119824A EP97119824A EP0843275A3 EP 0843275 A3 EP0843275 A3 EP 0843275A3 EP 97119824 A EP97119824 A EP 97119824A EP 97119824 A EP97119824 A EP 97119824A EP 0843275 A3 EP0843275 A3 EP 0843275A3
Authority
EP
European Patent Office
Prior art keywords
pattern
patterns
joining
extracted
image
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP97119824A
Other languages
German (de)
English (en)
Other versions
EP0843275A2 (fr
EP0843275B1 (fr
Inventor
Kouichirou Hirao
Keji Yamada
Takahiro Hongu
Takashi Mochizuki
Mitsutoshi Arai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Publication of EP0843275A2 publication Critical patent/EP0843275A2/fr
Publication of EP0843275A3 publication Critical patent/EP0843275A3/fr
Application granted granted Critical
Publication of EP0843275B1 publication Critical patent/EP0843275B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/14—Image acquisition
    • G06V30/146—Aligning or centring of the image pick-up or image-field
    • G06V30/1463—Orientation detection or correction, e.g. rotation of multiples of 90 degrees
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Character Input (AREA)
  • Character Discrimination (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Analysis (AREA)
EP97119824A 1996-11-13 1997-11-12 Appareil et méthode d'extraction d'images Expired - Lifetime EP0843275B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP301523/96 1996-11-13
JP8301523A JP2974061B2 (ja) 1996-11-13 1996-11-13 パタン抽出装置
JP30152396 1996-11-13

Publications (3)

Publication Number Publication Date
EP0843275A2 EP0843275A2 (fr) 1998-05-20
EP0843275A3 true EP0843275A3 (fr) 1999-08-11
EP0843275B1 EP0843275B1 (fr) 2003-05-14

Family

ID=17897964

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97119824A Expired - Lifetime EP0843275B1 (fr) 1996-11-13 1997-11-12 Appareil et méthode d'extraction d'images

Country Status (4)

Country Link
US (1) US6327384B1 (fr)
EP (1) EP0843275B1 (fr)
JP (1) JP2974061B2 (fr)
DE (1) DE69721941T2 (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3795238B2 (ja) * 1998-10-01 2006-07-12 シャープ株式会社 文書画像処理装置及び文書画像処理方法
GB2364416B (en) * 2000-06-30 2004-10-27 Post Office Image processing for clustering related text objects
CN100492403C (zh) * 2001-09-27 2009-05-27 佳能株式会社 文字图像分行方法和装置以及文字图像识别方法和装置
US9412123B2 (en) 2003-07-01 2016-08-09 The 41St Parameter, Inc. Keystroke analysis
US10999298B2 (en) 2004-03-02 2021-05-04 The 41St Parameter, Inc. Method and system for identifying users and detecting fraud by use of the internet
JP4477468B2 (ja) * 2004-10-15 2010-06-09 富士通株式会社 組み立て図面の装置部品イメージ検索装置
US7302098B2 (en) * 2004-12-03 2007-11-27 Motorola, Inc. Character segmentation method and apparatus
US8612854B2 (en) * 2005-12-16 2013-12-17 The 41St Parameter, Inc. Methods and apparatus for securely displaying digital images
US8938671B2 (en) * 2005-12-16 2015-01-20 The 41St Parameter, Inc. Methods and apparatus for securely displaying digital images
US11301585B2 (en) 2005-12-16 2022-04-12 The 41St Parameter, Inc. Methods and apparatus for securely displaying digital images
JP4658848B2 (ja) * 2006-03-30 2011-03-23 日本電産サンキョー株式会社 文字列認識方法及び文字列認識装置
US8151327B2 (en) 2006-03-31 2012-04-03 The 41St Parameter, Inc. Systems and methods for detection of session tampering and fraud prevention
JP4909216B2 (ja) * 2006-09-13 2012-04-04 株式会社キーエンス 文字切り出し装置、方法およびプログラム
JP5011508B2 (ja) * 2007-04-27 2012-08-29 日本電産サンキョー株式会社 文字列認識方法及び文字列認識装置
US9112850B1 (en) 2009-03-25 2015-08-18 The 41St Parameter, Inc. Systems and methods of sharing information through a tag-based consortium
US9361597B2 (en) 2010-10-19 2016-06-07 The 41St Parameter, Inc. Variable risk engine
AU2010257298B2 (en) 2010-12-17 2014-01-23 Canon Kabushiki Kaisha Finding text regions from coloured image independent of colours
US10754913B2 (en) 2011-11-15 2020-08-25 Tapad, Inc. System and method for analyzing user device information
US9633201B1 (en) 2012-03-01 2017-04-25 The 41St Parameter, Inc. Methods and systems for fraud containment
US9521551B2 (en) 2012-03-22 2016-12-13 The 41St Parameter, Inc. Methods and systems for persistent cross-application mobile device identification
EP2880619A1 (fr) 2012-08-02 2015-06-10 The 41st Parameter, Inc. Systèmes et procédés d'accès à des enregistrements via des localisateurs de dérivé
WO2014078569A1 (fr) 2012-11-14 2014-05-22 The 41St Parameter, Inc. Systèmes et procédés d'identification globale
JP6080259B2 (ja) * 2013-02-06 2017-02-15 日本電産サンキョー株式会社 文字切り出し装置及び文字切り出し方法
US10902327B1 (en) 2013-08-30 2021-01-26 The 41St Parameter, Inc. System and method for device identification and uniqueness
CN103886294B (zh) * 2014-03-24 2017-05-03 北京国网富达科技发展有限责任公司 基于图像的换流站用避雷器动作次数的识别方法以及系统
US10091312B1 (en) 2014-10-14 2018-10-02 The 41St Parameter, Inc. Data structures for intelligently resolving deterministic and probabilistic device identifiers to device profiles and/or groups
WO2017023185A1 (fr) * 2015-08-06 2017-02-09 Общество С Ограниченной Ответственностью "1С Виарабл" Procédé, dispositif et système pour introduire et afficher des données sur un afficheur tactile
US11164206B2 (en) * 2018-11-16 2021-11-02 Comenity Llc Automatically aggregating, evaluating, and providing a contextually relevant offer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0472313A2 (fr) * 1990-08-03 1992-02-26 Canon Kabushiki Kaisha Appareil et procédé de traitement d'image

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4635290A (en) * 1983-12-20 1987-01-06 Nec Corporation Sectioning apparatus and method for optical character reader systems
JPH0691617B2 (ja) 1987-01-26 1994-11-14 株式会社日立製作所 パタ−ン符号化装置
JPH01118966A (ja) 1987-10-31 1989-05-11 Toshiba Corp パタン認識装置
JP3008403B2 (ja) 1989-01-24 2000-02-14 株式会社日立製作所 符号化方法及び符号化装置
JPH0358288A (ja) 1989-07-27 1991-03-13 Oki Electric Ind Co Ltd セグメント抽出装置及び図形認識装置
JPH03240173A (ja) 1990-02-16 1991-10-25 Fujitsu Ltd 画像データ圧縮方式
JP3022630B2 (ja) 1991-06-24 2000-03-21 日本電気株式会社 入力領域適応型ニューラルネットワーク文字認識装置
JPH0540848A (ja) 1991-08-05 1993-02-19 Oki Electric Ind Co Ltd 文書画像の領域抽出方法
US5303313A (en) 1991-12-16 1994-04-12 Cartesian Products, Inc. Method and apparatus for compression of images
JP3193140B2 (ja) 1992-07-17 2001-07-30 株式会社リコー 画像と符号のデータ圧縮方法
JP3217507B2 (ja) 1992-12-22 2001-10-09 株式会社東芝 画像圧縮装置
JP2856670B2 (ja) 1994-03-17 1999-02-10 日立造船株式会社 時系列データ解析装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0472313A2 (fr) * 1990-08-03 1992-02-26 Canon Kabushiki Kaisha Appareil et procédé de traitement d'image

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JUN SATO ET AL: "F6365 JAPANESE DOCUMENT READER", FUJITSU-SCIENTIFIC AND TECHNICAL JOURNAL, vol. 26, no. 3, 1 January 1990 (1990-01-01), pages 224 - 233, XP000178537 *

Also Published As

Publication number Publication date
EP0843275A2 (fr) 1998-05-20
US6327384B1 (en) 2001-12-04
EP0843275B1 (fr) 2003-05-14
JPH10143604A (ja) 1998-05-29
DE69721941T2 (de) 2004-05-19
JP2974061B2 (ja) 1999-11-08
DE69721941D1 (de) 2003-06-18

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